Home / 43,405.90-65,218.13-27,618.04

Finding the Fourth Proportional to 43,405.90, 65,218.13 and 27,618.04

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Solution

The fourth proportional to 43,405.90, 65,218.13 and 27,618.04 is: 41,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.90 : 65,218.13 = 27,618.04 : x
  2. Step 2: Convert to fraction form
    43,405.90/65,218.13 = 27,618.04/x
  3. Step 3: Cross multiply
    43,405.90x = 65,218.13 × 27,618.04
  4. Step 4: Simplify right side
    43,405.90x = 1,801,196,923.07
  5. Step 5: Solve for x
    x = 1,801,196,923.07/43,405.90
  6. Step 6: Final answer
    x = 41,496.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.